Referring Domains Checker — Check Any Website’s Backlink Sources Instantly
Free referring domains checker. See which websites link to any domain and check the referring domains count and list instantly. Understand any site's backlink profile in seconds — no sign-up required, no limits, no credit card.
WHAT ARE REFERRING DOMAINS
What Are Referring Domains?
Referring domains are unique websites that link to your site. Each referring domain counts once, regardless of how many individual links it sends. For example, if example.com links to your site from 10 different pages, that counts as 1 referring domain, not 10. Referring domains are a key SEO metric because search engines use them to assess your site's authority and trustworthiness. In general, a site with more high-quality referring domains ranks better, because a diverse set of linking sites is a stronger signal of genuine popularity than many links from a single source. Our free referring domains checker shows you exactly which websites link to any domain, so you can evaluate a backlink profile in seconds.
Backlinks
Individual links from one page to another. A single domain can provide many backlinks. 100 backlinks from 1 domain is less valuable than 100 backlinks from 100 domains, because search engines weight link diversity over raw link count. Backlinks tell you the total link quantity, but not how many unique sites those links come from.
Referring Domains
Unique websites that link to your site. Each domain counts once regardless of link count. This is the metric search engines prioritize for assessing link diversity and authority, because it reflects how many independent sites trust your content enough to link to it. A growing referring domains count is one of the strongest signals of a healthy, authoritative backlink profile.
HOW TO USE
How to Check Referring Domains
Checking a website's referring domains is quick and easy with our free tool. Whether you want to check your own referring domains or analyze a competitor's backlink profile, our referring domains checker shows you which sites link to any domain — no account or payment required. Enter any domain and see the referring domains count and list instantly, then use the results to guide your link-building strategy and outreach decisions.
Enter a Domain
Type any domain name into the search box above — for example, moz.com or your own website. Our free referring domains checker will instantly look up the backlink sources for that website and return the full list of linking domains, along with the total referring domains count.
View Referring Domains
The tool displays the total count of referring domains plus a list of the domains that link to the target site. See who's linking to you or your competitors at a glance, and spot which sites make up the backlink profile.
Analyze Link Quality
Use the referring domains list to evaluate link quality. Check the DR of linking sites with our free DR checker to prioritize high-authority backlinks and identify low-quality referring domains that may need disavowing.
WHY CHECK
Why Check Referring Domains?
Referring domains are a core SEO metric. The more high-quality referring domains you have, the stronger your site's authority and the better your chances of ranking. A diverse backlink profile tells search engines that many independent websites consider your content valuable and worth citing. Use our free referring domains checker to monitor your link profile, discover new link-building opportunities, and keep an eye on competitors' backlink growth — all without paying for an expensive SEO tool.
Measure Link Diversity
100 links from 1 domain is far less valuable than 100 links from 100 domains. Referring domains measure link diversity — a key factor in search rankings. Search engines see many referring domains as a sign that a wide range of independent sites vouch for your content.
Discover Link Opportunities
Check competitors' referring domains to find sites that might link to you too. Our referring domains checker reveals where your competitors get their backlinks, giving you a ready list of outreach targets in your niche.
Monitor Link Health
Track your referring domains over time. A sudden drop can indicate lost links that need attention — perhaps a linking site removed your link, went offline, or was deindexed. A steady increase shows your link-building is working. Regular checks with the referring domains checker help you catch problems early and measure the real impact of your outreach campaigns.
Evaluate Link Quality
Not all referring domains are equal. Use our tool to find referring domains, then check each domain's DR to assess backlink quality. A few referring domains from high-DR, topically relevant sites often beat hundreds from low-DR, unrelated, or spammy sites. Quality and relevance matter just as much as raw count when building a backlink profile that lasts.
100% Free Referring Domains Checker — No Subscription Needed
See which websites link to any domain for free. Check the referring domains count and list instantly — no sign-up, no credit card, no limits. Most referring domains tools are locked behind expensive SEO subscriptions, but ours gives you the same referring domains data at no cost, as often as you need it. Use it to research competitors, audit your own backlinks, and find new link-building targets.
FAQs
Everything you need to know about Referring Domains
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